



.left {
    　　　　　　width: 30% ;
    background-color: #61dafb;

}

.mid {
    　　　width: 40%;
    height: 200px;
}

.right {
    　　　width: 30% 　　　;
    float: right;
}


/* css样式初始化 */
* {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
    border: none;
    text-decoration: none;
    text-transform: capitalize;
    transition: .2s linear;
}

html {
    font-size: 62.5%;
}
/* header样式初始化*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #cdcbea;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header .logo {
    color: white;
    padding: 0 1rem;
}
/* 导航样式 */
.navbar ul{
    display: flex;
}

.navbar ul li{
    font-weight: bold;
    width: 128px;
    list-style: none;
    text-align:center;
}
.navbar ul li a {
    width: 128px;
    line-height: 45px;
    font-size: 1.7rem;
    color: white;
}
.navbar ul li a:hover{
    color: #d9f8e3;
}
/* 二级菜单样式 */
.navbar ul li ul{
    position: absolute;
    display: none;
    width: 128px;
    line-height: 45px;
}

.navbar ul li ul li{
    background-color: #e9e8f6;
}
/* 悬浮展开二级菜单 */
.navbar ul li ul li a:hover{
    color: white;
}
.navbar ul li ul li:hover{
    background-color: #e1e3c8;
}

.navbar ul li:hover ul{
    display: block;
}
/* 网站内容*/
.content{
    margin-top:50px;
}
